Spiro[oxirane-2,6'-[3aH,6H-5a,9b]propano[5H]furo[2,3-c][2]benzopyran]-12'-one,2'-(3-furanyl)hexahydro-10'-methyl-, (2R,2'S,3'aS,5'aS,9'aR,9'bR,10'R)- (9CI)

CAS:63893-14-1

Formula:C20H24O5

Ganciclovir

CAS:84245-11-4

Formula:C20H24O5

(3aR)-2,3,3aβ,4,5,7,9aβ,9bα-Octahydro-6,9-dimethyl-3-methylene-2-oxoazuleno[4,5-b]furan-4α-ol (Z)-2-(hydroxymethyl)-2-butenoate

CAS:89900-51-6

Formula:C20H24O5

Phenol,4,4'-[[(3R,4R)-tetrahydro-3,4-furandiyl]bis(methylene)]bis[2-methoxy-

CAS:29388-33-8

Formula:C20H24O5

(Z)-2-Methyl-2-butenoic acid [(2aS)-2a,3,4,5,5aβ,6,9bβ,9c-octahydro-9,9cβ-dimethyl-2-oxo-2H-naphtho[1,8-bc:3,2-b']difuran-6β-yl] ester

CAS:64185-26-8

Formula:C20H24O5

2-Butenoic acid,2-methyl-,(3R,3aR,4S,9aS,9bS)-2,3,3a,4,5,7,9a,9b-octahydro-3,6,9-trimethyl-2,7-dioxoazuleno[4,5-b]furan-4-ylester, (2Z)-

CAS:30860-26-5

Formula:C20H24O5

Phenanthro[3,2-b]furan-6(2H)-one,1,3,4,8,9,11b-hexahydro-5,7,11-trihydroxy-4,4,8,11b-tetramethyl-, (8R,11bR)-

CAS:33853-96-2

Formula:C20H24O5

(4aR,4aβ,5R,5'S)-5'-(3-Furanyl)-4,4a,6,7,8,8a,4',5'-octahydro-6α-methyl-8aβ-(1-methylethenyl)spiro[5H-1-benzopyran-5,3'(2'H)-furan]-2,2'(3H)-dione

CAS:102904-57-4

Formula:C20H24O5

Fragransin A2

CAS:112652-46-7

Formula:C20H24O5

2-Butenoic acid,3-methyl-,(3S,3aR,9aR,9bS)-2,3,3a,4,5,7,9a,9b-octahydro-3,6,9-trimethyl-2,7-dioxoazuleno[4,5-b]furan-3-ylester

CAS:112766-69-5

Formula:C20H24O5